What does SAP stands for â SAP stands for Systems, Applications and Products in data processing. 1  SAP is the fourth largest software company in the world. 2  The SAP R/3 system is a business software package designed to integrate all areas of a business.
Most of this emitted radiation is at longer wavelengths than solar radiation. Unlike solar radiation, which is mostly at wavelengths visible to the human eye, the Earth's longwave radiation is mostly at infrared wavelengths, which are invisible to the human eye.
It doesn't really reflect the energy coming from the earth, it absorbs it and re-emits it. It's all about the wavelength. CO2 can only absorb at very specific wavelengths. Some of these wavelengths happen to be emitted by the earth. The ones emitted by the sun are too short to be absorbed by CO2.